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https://irlib.pccu.edu.tw/handle/987654321/45648
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| 题名: | Modification effect of sex and obesity on the correlation of LEP polymorphisms with leptin levels in Taiwanese obese women |
| 作者: | Duan, DM (Duan, De-Min)
Jhang, JY (Jhang, Jing-Yi)
Wu, S (Wu, Semon)
Teng, MS (Teng, Ming-Sheng)
Hsu, LA (Hsu, Lung-An)
Ko, YL (Ko, Yu-Lin) |
| 贡献者: | 生科系 |
| 关键词: | LEP
leptin
obesity
single-nucleotide polymorphism |
| 日期: | 2020-01 |
| 上传时间: | 2020-01-20 13:28:06 (UTC+8) |
| 摘要: | Background Obesity has become the main health issue in developed countries as it impacts life expectancy and increases mortality of cerebrovascular or cardiovascular diseases. The leptin is one of the adipokines which presents in the serum in proportion to the amount of adipose tissue and is translated from LEP gene. It involves in energy homeostasis, lipid and glucose metabolisms, modulation of immune systems, and thermogenesis. Many previous studies have revealed controversial results between LEP polymorphisms and leptin levels in different ages and ethnicities. Herein, we investigated the impacts of LEP polymorphism against leptin levels in Taiwanese subjects. Methods In 599 Taiwanese subjects, excluding clinically overt systemic disease, age below 18 years old, and C-reactive protein (CRP) level of above 10 mg/L, few of LEP polymorphisms were genotyped with TaqMan SNP genotyping assays, were further analyzed for association with leptin level in univariate and multivariate linear regression analyses with Bonferroni correction for multiple tests in stratified groups. The univariate and stepwise multivariate linear regression analyses were performed to determine the coefficient of determinant of LEP polymorphisms over leptin level. Results Significant associations were found between LEP polymorphisms and leptin levels in obese women. Circulating leptin level was positively correlated with inflammatory, insulin resistance markers, and visceral obesity markers in all subjects. Furthermore, stratified and interaction analyses revealed that LEP polymorphisms, rs7799039 and rs2167270, were significantly associated with leptin levels in obese women-8%-10% of which could be explained by LEP polymorphisms. Conclusion The LEP polymorphisms are independently associated with leptin levels in Taiwanese obese women. Further, the genetic determinants for leptin levels may be different between obese and nonobese, and in different sex individuals. The obesity status and female sex may exert modification effect on transcription of LEP, particularly in obese women. |
| 關聯: | MOLECULAR GENETICS & GENOMIC MEDICINE 文獻號碼: e1113 |
| 显示于类别: | [生命科學系] 期刊論文
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